Interface Description; Connector Interface Signals And Connector Pins - Seagate ST1.2 - Series 8 GB Removable Hard Drive Product Manual

4.0

Interface description

These drives use the industry-standard ATA task file interface that supports 16-bit data transfers. It supports
ATA programmed input/output (PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–2. The
drive also supports the use of the IORDY signal to provide reliable high-speed data transfers.
For detailed information about the CompactFlash interface, refer to CF+ and CompactFlash Spec Rev 2.0.
4.1

Connector interface signals and connector pins

The following table summarizes the signals on the CompactFlash interface connector. For a detailed descrip-
tion of these signals, refer to CF+ and CompactFlash Spec Rev 2.0.
Table 8: CompactFlash+ interface connector signals
PC Card Memory Mode
Pin Signal Pin
Num Name Type
1 GND
2 D03 I/O
3 D04 I/O
4 D05 I/O
5 D06 I/O
6 D07 I/O
7 -CE1 I
8 A10 I
9 -OE I
10 A09 I
11 A08 I
12 A07 I
13 VCC
14 A06 I
15 A05 I
16 A04 I
17 A03 I
18 A02 I
19 A01 I
20 A00 I
21 D00 I/O
22 D01 I/O
23 D02 I/O
ST1.2 Series Product Manual, Rev. B
PC Card I/O Mode
In, Out Pin Signal
Type Num Name
Ground 1 GND
I1Z, OZ3 2 D03
I1Z, OZ3 3 D04
I1Z, OZ3 4 D05
I1Z, OZ3 5 D06
I1Z, OZ3 6 D07
I3U 7 -CE1
I1Z 8 A10
I3U 9 -OE
I1Z 10 A09
I1Z 11 A08
I1Z 12 A07
Power 13 VCC
I1Z 14 A06
I1Z 15 A05
I1Z 16 A04
I1Z 17 A03
I1Z 18 A02
I1Z 19 A01
I1Z 20 A00
I1Z, OZ3 21 D00
I1Z, OZ3 22 D01
I1Z, OZ3 23 D02
Pin In, Out Pin
Type Type Num
Ground 1
I/O I1Z, OZ3 2
I/O I1Z, OZ3 3
I/O I1Z, OZ3 4
I/O I1Z, OZ3 5
I/O I1Z, OZ3 6
I I3U 7
I I1Z 8
I I3U 9
I I1Z 10
I I1Z 11
I I1Z 12
Power 13
I I1Z 14
I I1Z 15
I I1Z 16
I I1Z 17
I I1Z 18
I I1Z 19
I I1Z 20
I/O I1Z, OZ3 21
I/O I1Z, OZ3 22
I/O I1Z, OZ3 23
[4]
True IDE Mode
Signal Pin In, Out
Name Type Type
GND Ground
D03 I/O I1Z, OZ3
D04 I/O I1Z, OZ3
D05 I/O I1Z, OZ3
D06 I/O I1Z, OZ3
D07 I/O I1Z, OZ3
-CS0 I I3U
[2]
A10 I I1Z
-ATA SEL I I3U
[2]
A09 I I1Z
[2]
A08 I I1Z
[2]
A07 I I1Z
VCC Power
[2]
A06 I I1Z
[2]
A05 I I1Z
[2]
A04 I I1Z
[2]
A03 I I1Z
A02 I I1Z
A01 I I1Z
A00 I I1Z
D00 I/O I1Z, OZ3
D01 I/O I1Z, OZ3
D02 I/O I1Z, OZ3
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